Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi phu chep snippets" » "thi phu phep snippets", "thi ghi chep snippets", "thi phu chu snippets", "thi thu chep snippets", "thi nhu chep snippets", "thi phi chep snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("thi phu chep snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi phu chep snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi phu chep snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi phu chep snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.